Knacker
Knacker , noun
1.
One who makes knickknacks, toys, etc. — Mortimer
2.
One of two or more pieces of bone or wood held loosely between the fingers, and struck together by moving the hand; -- called also clapper. — Halliwell
Knacker , noun
[Compare Icelandic hnakkr a saddle.]
1.
a harness maker. [Obsolete or Provincial English] — Halliwell
2.
One who slaughters worn-out horses and sells their flesh for dog's meat. [English]